forked from OSchip/llvm-project
91 lines
4.9 KiB
C
91 lines
4.9 KiB
C
// RUN: %clang_cc1 -fsyntax-only -verify %s
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#if !__has_extension(statement_attributes_with_gnu_syntax)
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#error "We should have statement attributes with GNU syntax support"
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#endif
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void foo(int i) {
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__attribute__((unknown_attribute)); // expected-warning {{unknown attribute 'unknown_attribute' ignored}}
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__attribute__(()) {}
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__attribute__(()) if (0) {}
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__attribute__(()) for (;;);
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__attribute__(()) do {
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__attribute__(()) continue;
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}
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while (0)
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;
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__attribute__(()) while (0);
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__attribute__(()) switch (i) {
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__attribute__(()) case 0 :
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__attribute__(()) default :
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__attribute__(()) break;
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}
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__attribute__(()) goto here;
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__attribute__(()) here :
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__attribute__(()) return;
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__attribute__((noreturn)) {} // expected-error {{'noreturn' attribute cannot be applied to a statement}}
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__attribute__((noreturn)) if (0) {} // expected-error {{'noreturn' attribute cannot be applied to a statement}}
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__attribute__((noreturn)) for (;;); // expected-error {{'noreturn' attribute cannot be applied to a statement}}
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__attribute__((noreturn)) do { // expected-error {{'noreturn' attribute cannot be applied to a statement}}
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__attribute__((unavailable)) continue; // expected-error {{'unavailable' attribute cannot be applied to a statement}}
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}
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while (0)
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;
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__attribute__((unknown_attribute)) while (0); // expected-warning {{unknown attribute 'unknown_attribute' ignored}}
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__attribute__((unused)) switch (i) { // expected-error {{'unused' attribute cannot be applied to a statement}}
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__attribute__((uuid)) case 0: // expected-warning {{unknown attribute 'uuid' ignored}}
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__attribute__((visibility(""))) default: // expected-error {{'visibility' attribute cannot be applied to a statement}}
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__attribute__((carries_dependency)) break; // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
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}
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__attribute__((fastcall)) goto there; // expected-error {{'fastcall' attribute cannot be applied to a statement}}
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__attribute__((noinline)) there : // expected-warning {{'noinline' attribute only applies to functions}}
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__attribute__((weakref)) return; // expected-error {{'weakref' attribute only applies to variables and functions}}
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__attribute__((carries_dependency)); // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
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__attribute__((carries_dependency)) {} // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
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__attribute__((carries_dependency)) if (0) {} // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
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__attribute__((carries_dependency)) for (;;); // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
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__attribute__((carries_dependency)) do { // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
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__attribute__((carries_dependency)) continue; // expected-error {{'carries_dependency' attribute cannot be applied to a statement}} ignored}}
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}
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while (0)
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;
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__attribute__((carries_dependency)) while (0); // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
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__attribute__((carries_dependency)) switch (i) { // expected-error {{'carries_dependency' attribute cannot be applied to a statement}} ignored}}
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__attribute__((carries_dependency)) case 0: // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
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__attribute__((carries_dependency)) default: // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
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__attribute__((carries_dependency)) break; // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
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}
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__attribute__((carries_dependency)) goto here; // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
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__attribute__((carries_dependency)) return; // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
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}
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void bar(void);
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void foobar(void) {
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__attribute__((nomerge)) bar();
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__attribute__(()) bar(); // expected-error {{expected identifier or '('}}
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__attribute__((unused, nomerge)) bar(); // expected-error {{expected identifier or '('}}
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__attribute__((nomerge, unused)) bar(); // expected-error {{expected identifier or '('}}
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__attribute__((nomerge(1, 2))) bar(); // expected-error {{'nomerge' attribute takes no arguments}}
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int x;
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__attribute__((nomerge)) x = 10; // expected-warning {{'nomerge' attribute is ignored because there exists no call expression inside the statement}}
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__attribute__((nomerge)) label : bar(); // expected-error {{'nomerge' attribute only applies to functions and statements}}
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}
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int f(void);
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__attribute__((nomerge)) static int i; // expected-error {{'nomerge' attribute only applies to functions and statements}}
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